{"id":"ALSA-2026:7668","summary":"Important: nghttp2 security update","details":"libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.  \n\nSecurity Fix(es):  \n\n  * nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-04-17T13:19:13.903587Z","published":"2026-04-13T00:00:00Z","related":["CVE-2026-27135"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:7668"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-27135"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2448754"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-7668.html"}],"affected":[{"package":{"name":"libnghttp2","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libnghttp2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.43.0-6.el9_7.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:7668.json"}},{"package":{"name":"libnghttp2-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libnghttp2-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.43.0-6.el9_7.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:7668.json"}},{"package":{"name":"nghttp2","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nghttp2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.43.0-6.el9_7.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:7668.json"}}],"schema_version":"1.7.5"}